<template>
	<view class="uni-container">
		<uni-forms ref="form" :value="formData" validate-trigger="submit" err-show-type="toast">
			<uni-forms-item name="category_id" label="分类">
				<uni-data-checkbox v-model="formData.category_id" collection="opendb-news-categories"
					field="name as text, _id as value" />
			</uni-forms-item>
			<uni-forms-item name="title" label="标题" required>
				<uni-easyinput placeholder="标题" v-model="formData.title" trim="both" />
			</uni-forms-item>
			<uni-forms-item name="content" label="文章内容" required>
				<uni-easyinput placeholder="文章内容" v-model="formData.content" trim="right" />
			</uni-forms-item>
			<uni-forms-item name="excerpt" label="摘要">
				<uni-easyinput placeholder="文章摘录" v-model="formData.excerpt" trim="both" />
			</uni-forms-item>
			<uni-forms-item name="article_status" label="文章状态">
				<uni-data-checkbox v-model="formData.article_status"
					:localdata="formOptions.article_status_localdata" />
			</uni-forms-item>
			<uni-forms-item name="comment_status" label="开放评论">
				<uni-data-checkbox v-model="formData.comment_status"
					:localdata="formOptions.comment_status_localdata" />
			</uni-forms-item>
			<uni-forms-item name="avatar" label="封面大图">
				<uni-easyinput placeholder="缩略图地址" v-model="formData.avatar" trim="both" />
			</uni-forms-item>
			<uni-forms-item name="publish_date" label="发表时间">
				<uni-datetime-picker return-type="timestamp"
				v-model="formData.publish_date"/>
			</uni-forms-item>
			<uni-forms-item name="last_modify_date" label="最后修改时间">
				<uni-datetime-picker return-type="timestamp" v-model="formData.last_modify_date" />
			</uni-forms-item>
			<view class="uni-button-group">
				<button type="primary" class="uni-button" @click="submit">提交</button>
			</view>
		</uni-forms>
	</view>
</template>

<script>
	import {
		validator
	} from '../../js_sdk/validator/opendb-news-articles.js';

	const db = uniCloud.database();
	const dbCollectionName = 'opendb-news-articles';

	function getValidator(fields) {
		let reuslt = {}
		for (let key in validator) {
			if (fields.indexOf(key) > -1) {
				reuslt[key] = validator[key]
			}
		}
		return reuslt
	}

	export default {
		data() {
			return {
				formData: {
					"category_id": "",
					"title": "",
					"content": "",
					"excerpt": "",
					"article_status": 0,
					"comment_status": null,
					"avatar": "",
					"publish_date": null,
					"last_modify_date": null,
				},
				formOptions: {
					"article_status_localdata": [{
							"value": 0,
							"text": "草稿箱"
						},
						{
							"value": 1,
							"text": "已发布"
						}
					],
					"comment_status_localdata": [{
							"value": 0,
							"text": "关闭"
						},
						{
							"value": 1,
							"text": "开放"
						}
					]
				},
				rules: {
					...getValidator(["category_id", "title", "content", "excerpt", "article_status",
						"comment_status", "avatar", "publish_date", "last_modify_date",
					])
				}
			}
		},
		onLoad(e) {
			const id = e.id
			this.formDataId = id
			this.getDetail(id)
		},
		onReady() {
			this.$refs.form.setRules(this.rules)
		},
		methods: {
			/**
			 * 触发表单提交
			 */
			submit() {
				uni.showLoading({
					mask: true
				})
				this.$refs.form.submit().then((res) => {
					this.submitForm(res)
				}).catch((errors) => {
					uni.hideLoading()
				})
			},

			submitForm(value) {
				console.log(value,this.formData)
				// 使用 clientDB 提交数据
				db.collection(dbCollectionName).doc(this.formDataId).update(value).then((res) => {
					uni.showToast({
						icon: 'none',
						title: '修改成功'
					})
					this.getOpenerEventChannel().emit('refreshData')
					setTimeout(() => uni.navigateBack(), 500)
				}).catch((err) => {
					uni.showModal({
						content: err.message || '请求服务失败',
						showCancel: false
					})
				}).finally(() => {
					uni.hideLoading()
				})
			},

			/**
			 * 获取表单数据
			 * @param {Object} id
			 */
			getDetail(id) {
				uni.showLoading({
					mask: true
				})
				db.collection(dbCollectionName).doc(id).field(
					'user_id,category_id,title,content,excerpt,article_status,comment_status,last_comment_user_id,avatar,publish_date,last_modify_date,mode'
					).get().then((res) => {
					const data = res.result.data[0]
					if (data) {
						this.formData = data
					}
				}).catch((err) => {
					uni.showModal({
						content: err.message || '请求服务失败',
						showCancel: false
					})
				}).finally(() => {
					uni.hideLoading()
				})
			}
		}
	}
</script>

<style>
	.uni-container {
		padding: 15px;
	}

	.uni-input-border,
	.uni-textarea-border {
		width: 100%;
		font-size: 14px;
		color: #666;
		border: 1px #e5e5e5 solid;
		border-radius: 5px;
		box-sizing: border-box;
	}

	.uni-input-border {
		padding: 0 10px;
		height: 35px;

	}

	.uni-textarea-border {
		padding: 10px;
		height: 80px;
	}

	.uni-button-group {
		margin-top: 50px;
		display: flex;
		justify-content: center;
	}

	.uni-button {
		width: 184px;
		padding: 12px 20px;
		font-size: 14px;
		border-radius: 4px;
		line-height: 1;
		margin: 0;
	}
</style>
